Markdown footnotes not working

Closes #26375

See merge request gitlab-org/gitlab-ce!24168

Modify file restore to rectify tar issue

See merge request gitlab-org/gitlab-ce!24000

Cleanup legacy artifact background migration

Closes #46866

See merge request gitlab-org/gitlab-ce!24144

Port to EE: Cleanup legacy artifact background migration

Closes gitlab-ce#46866

See merge request gitlab-org/gitlab-ee!9106

Resolve "Remove expansion hover animation from status icon buttons"

Closes #42769

See merge request gitlab-org/gitlab-ce!24268

Since the rendering of footnotes is changed, the cached
html need to be updated

Refactor "Allow edits from maintainers in forks" docs

See merge request gitlab-org/gitlab-ce!24426

Fixed typo in run_pipeline! function
  -> Open3.pieline to Open3.pipeline

Adjusted run_pipeline! function
  to match rubocop syntax requirements
Adjusted run_pipeline! function
  to use variable instead of string interpolation

Changed run_pipeline! function to have use $ in regex
Changed run_pipeline! function to use Open3.pipeline
instead of Open3.pipeline_start

Fix EE codebase after refactoring github repository import

Closes #9256 and #9257

See merge request gitlab-org/gitlab-ee!9211

and additional spec

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Resolve "Duplicate Maven result should be hidden"

Closes #9047

See merge request gitlab-org/gitlab-ee!9151

Improve MilestonesFinder to accept project and group relations

Closes #47988

See merge request gitlab-org/gitlab-ce!24325

Show CI artifacts size with 3 significant digits

Closes #56363

See merge request gitlab-org/gitlab-ce!24387

Change width of .dropdown-menu-toggle to 160px

See merge request gitlab-org/gitlab-ce!24391

Moves index page of feature flags completely to Vue

See merge request gitlab-org/gitlab-ee!9155

Backport github import fix from EE

See merge request gitlab-org/gitlab-ce!24462

Update issue template with user journey, persona label additions, and clarification between success metrics and acceptance criteria

See merge request gitlab-org/gitlab-ee!9186

Update issue template with user journey, persona label additions, and clarification between success metrics and acceptance criteria

Update issue template with user journey, persona label additions, and clarification between success metrics and acceptance criteria

See merge request gitlab-org/gitlab-ce!24428

Update issue template with user journey, persona label additions, and clarification between success metrics and acceptance criteria

The expansion hover animation caused a number of layout headaches; this
commit removes the animation and replaces them with hover/active/focus
styles.

Related issue:
https://gitlab.com/gitlab-org/gitlab-ce/issues/42769

Conditionally initialize the global opentracing tracer

See merge request gitlab-org/gitlab-ce!24186

Fix the Epic QA test

Closes gitlab-qa#364

See merge request gitlab-org/gitlab-ee!9194

For codebase consistency
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>